OEModels Examples

The following table lists the currently available OEModels examples:

Program

Description

docking

Building ROCS Query Model

Building ROCS Query Model

The following code example shows how to create a ROCS query model from a set of known ligands in their binding modes. The input ligands should be prepared by aligning the protein crystal structures.

See also

Listing 1: Building ROCS Query Model

#!/usr/bin/env python
# (C) 2022 Cadence Design Systems, Inc. (Cadence) 
# All rights reserved.
# TERMS FOR USE OF SAMPLE CODE The software below ("Sample Code") is
# provided to current licensees or subscribers of Cadence products or
# SaaS offerings (each a "Customer").
# Customer is hereby permitted to use, copy, and modify the Sample Code,
# subject to these terms. Cadence claims no rights to Customer's
# modifications. Modification of Sample Code is at Customer's sole and
# exclusive risk. Sample Code may require Customer to have a then
# current license or subscription to the applicable Cadence offering.
# THE SAMPLE CODE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED.  OPENEYE DISCLAIMS ALL WARRANTIES, INCLUDING, BUT
# NOT LIMITED TO, WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
# PARTICULAR PURPOSE AND NONINFRINGEMENT. In no event shall Cadence be
# liable for any damages or liability in connection with the Sample Code
# or its use.

import sys
from openeye import oechem
from openeye import oeshape
from openeye import oedocking


def main(argv=[__name__]):
    buildOpts = oedocking.OEROCSQueryModelOptions()
    opts = oechem.OESimpleAppOptions(buildOpts, "ROCSQueryModel", oechem.OEFileStringType_DU, "sq")
    if oechem.OEConfigureOpts(opts, argv, False) == oechem.OEOptsConfigureStatus_Help:
        return 0
    buildOpts.UpdateValues(opts)

    ifs = oechem.oeifstream()
    if not ifs.open(opts.GetInFile()):
        oechem.OEThrow.Fatal("Unable to open %s for reading" % opts.GetInFile())

    ofs = oechem.oeofstream()
    if not ofs.open(opts.GetOutFile()):
        oechem.OEThrow.Fatal("Unable to open %s for writing" % opts.GetOutFile())

    builder = oedocking.OEROCSQueryModelBuilder(buildOpts)
    builder.SetLigands(ifs);
    for query in builder.Build():
        oeshape.OEWriteShapeQuery(ofs, query)

    return 0


if __name__ == "__main__":
    sys.exit(main(sys.argv))

Download code

RocsQueryModelBuilder.py